Chapter 9/10 Vocabulary

- Center of a circle

- Radius

- Chord

- Diameter

- Secant of a circle - Tangent of a circle

- Point of tangency

- Central angle

- Inscribed angle

- Major arc - Minor arc

- Semicircle

- Degree measure of an arc

- Adjacent arc

- Arc addition postulate

- Intercepted arc - Inscribed angle theorem

- Parallel lines-congruent arc theorem

- Interior angles of a circle theorem

- Exterior angles of a circle theorem

- Tangent to a circle

- Diameter chord theorem - Equidistant chord theorem

- Equidistant chord converse theorem

- Congruent chord-congruent arc theorem

- Congruent chord-congruent arc converse theorem

- Segments of a chord

- Segment-chord theorem - Tangent segment

- Tangent segment theorem

- Secant segment

- External secant segment

- Secant segment theorem

- Secant tangent theorem - Inscribed polygon

- Inscribed right triangle-diameter theorem

- Inscribed right triangle-diameter converse theorem

- Circumscribed polygon

- Inscribed quadrilateral-opposite angles theorem

- Arc length - Radian

- Concentric circles

- Sector of a circle

- Segment of a circle